Exercise apparatus



FIG. 1 is first perspective view of an exercise apparatus in accordancewith my new design;

FIG. 2 is a second perspective view of the exercise apparatus of FIG. 1;

FIG. 3 is a side view of the exercise apparatus of FIG. 1; and,

FIG. 4 is a top view of the exercise apparatus of FIG. 1.

The ornamental design for an exercise apparatus, as shown and described. 